Flow-indicator.



c. KPPBRS.

FLOW INDICATOR.

APPLIUATION FILED AUG. 30, 1909.

Patented Dec. 27, 1910.

:Fig: 5.

Mg f

Win esses.'

is a modified form of disk.

CHARLES KPPERS, OF AIX-LA-CHAPELLE, GERMANY.

FLOW-INDICATOR.

Specification of Letters Patent.

Application filed August 30, 1 909. Serial No. 515,325.

To all whom 'it may concern:

Be it known that I, CHARLES KPPERS, .l citizen of the German Empire, residing at AiX-la-Chapelle, State of Prussia, Germany, have inventedv a Flow-Indicator, of which the following is a complete specification. reference being had to the accompanying draw mos.

lhe' object of the present invention is to provide a flow indicator or a gas measurer for the purpose of reading the quantity of gas of any kind iiowing at any desired nioment for a fixed time.

`The inventiony is clearly illust-rated in the accompanying drawings in which:

Figure l is a substantially central vertical section of my improved device. Fig. 2 is a similar view vof a modified form. Fig. 3 is a view of the disk and integral float in section.v Fig. 4 is a vertical section through `the disk on line A-B Fig. 3. Fig. '5 is a. section on the line C-D of Fig. 6. Fig. G Fig. 7 shows still another form. Fig. 8 is a longitudinal section through'thedisk and integral float on line E-F Fig. 7.

Like letters of reference indicate like parts`in the dierent views.

Fig.- 1, shows one form of the device, in which a is a conical pipe. In this pipe is a float b consisting of circular disks c which are connected by a staff or stein e. The upper disk c of the ioat I) is provided with passages f which for example may be disposed horizontally on a tangent, or inclined slits may be provided.

The operation'is as follows: The gas to be measured enters into the space d through the inlet g. The. float b rises and makes its appearance momentarily, the pressure beneath the oat and that of the .iowing gas above being equal.` The-gas flows out afterward through the outlet h.' In consequence of the inclined canals f the float is given a quick rotation on its vertical axis, wherefore a defective working through sticking of the float is impossible. p

Another form of flow indicator, which has the same purpose is represented in Fig. 2. The pipe a need not be conical, but may be cylindrical a's here shown. Within the pipe is a cone 7e which the pipe o; surrounds coneentrically. The float b incloses cone k and is provided with inclined passages like the form lshown .in F igwl with the difference Patented Dec. 27, 1910.`w

that the member joining the disks is cylindrical and surrounds the cone.

rI he measurer can be directly used in connection with a pressure measurer 2'., as seen in Figs. l and 2.

i It is important that the float be constructed to rotate, 'it being understood that the forms herein illustrated are but examples of forms that may be advantageously employed.

What I claim as'my invention:

l. An instantaneous flow indicator comprising a tube having an interior fluid capacityv of a constantly increasing effective, cross sectional area from one end to the other, a float arranged therein and having separated disks, one of which is provided with channels set obliquely to the radii.

2. An instantaneous flow indicator com-4 prising a tube having an interior iuid capaclty of a constantly increasing eHeetive,

-cross sectional area from one end to the other,

to the radii, and an inlet pipe near the end yof said tube having the smaller cross sectional area.

. Dated thislSth day of August 1909.

CHARLES KPPERS.

Witnesses HENRY QUADFLIEG, ELrsr. KALUsoH. 

